Ivy Nguyen, DO
NPI 1831695584 · Diagnostic Radiology Physician · San Francisco, CA
Enrolled with Medicare as Practitioner - Diagnostic Radiology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Ivy Nguyen, DO is a Diagnostic Radiology Physician provider in San Francisco, CA (NPI 1831695584).
Provider details
- NPI number
- 1831695584
- Entity type
- Individual
- Primary specialty
- Diagnostic Radiology PhysicianAllopathic & Osteopathic Physicians
- Credential
- DO
- Sex
- Female
- Sole proprietor
- Yes
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Student, Health Care
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
8 yrs in NPPES registry
- Profile completeness25% of score
83% of core fields populated
- Practice footprint15% of score
3 documented practice locations
- Medicare service volume (vs. specialty peers)25% of score
655 Medicare services, 2024 (ranked within specialty)
- Open Payments transparency10% of score
Has Open Payments disclosures (2024)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our .
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Ct Scan of Abdomen and Pelvis With Contrast74177 | 76 | $94 |
| X-Ray of Chest, 1 View71045 | 63 | $9 |
| Ct Scan of Abdomen and Pelvis Without Contrast74176 | 57 | $90 |
| Ct Scan Head Or Brain Without Contrast70450 | 52 | $43 |
| X-Ray of Chest, 2 Views71046 | 47 | $11 |
| Limited Ultrasound Scan of Abdomen76705 | 44 | $30 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$124 across 1 record (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Additional practice locations (2)
- Baystate Medical Center 759 Chestnut StreetSpringfield, MA 01199Phone: (413) 794-0000
- 2201 Hempstead TpkeEast Meadow, NY 11554-1859Phone: (516) 572-0123
Registry dates
- Enumerated
- 2018-04-02
- Last updated
- 2023-07-10
- Certified
- 2023-07-10
Frequently asked questions
- What is Ivy Nguyen's NPI number?
- Ivy Nguyen's National Provider Identifier (NPI) is 1831695584, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Ivy Nguyen's specialty?
- Ivy Nguyen is listed in the NPPES registry with a primary specialty of Diagnostic Radiology Physician (Allopathic & Osteopathic Physicians).
- Where is Ivy Nguyen located?
- Ivy Nguyen's practice location on file with NPPES is 1001 Potrero Avenue, San Francisco, CA 94110.
- What is Ivy Nguyen's phone number?
- The practice phone number listed in the NPPES registry for Ivy Nguyen is (628) 206-8020.
- Does Ivy Nguyen accept Medicare?
- Ivy Nguyen is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Ivy Nguyen's NPI active?
- Yes — Ivy Nguyen's NPI (1831695584) is active in the NPPES registry as of the last update on 2023-07-10.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.